Features： 1、EFFICIENT DETECTION: Accurately and quickly detects wall and metal components, providing precise results.LCD display for easy reading. 2、ACCURATE AND FAST: The stud finder uses the most sensitive intelligent micro sensor chip to accurately and quickly locate the edges and centers of metal, studs, joists, pipes, and live AC wires behind wall, floors, and ceilings. 3、EASY TO USE: Turn on the stud finder, lay it flat on the wall and press the scan button to calibrate. Compact and lightweight, portable and suitable for home and professional use. 4、RELIABLE AND DURABLE: Wall stud finder is made of ABS material and sturdy design to ensure long time stable use. 5、WIDE APPLICATION: This wall finder can work on different wall surfaces, such as slats, wallpaper wood floors, acoustic ceilings, painted wall, etc., helping you to avoid dangers when installing TVs, cabinets, garage shelves and more. Specification： Item Type: Stud Finder Material: ABS Battery Type: 1 x 9V Dry Battery (Shipped Without Battery) Package List： 1 x Wall Detector 1 x Instruction Manual